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-rw-r--r--arch/powerpc/include/asm/elf.h4
-rw-r--r--arch/powerpc/kernel/iommu.c23
-rw-r--r--arch/powerpc/kernel/sys_ppc32.c99
3 files changed, 9 insertions, 117 deletions
diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
index 64c6ee22eef..d812929390e 100644
--- a/arch/powerpc/include/asm/elf.h
+++ b/arch/powerpc/include/asm/elf.h
@@ -232,7 +232,7 @@ typedef elf_vrregset_t elf_fpxregset_t;
#endif /* __powerpc64__ */
#ifdef __powerpc64__
-# define SET_PERSONALITY(ex, ibcs2) \
+# define SET_PERSONALITY(ex) \
do { \
unsigned long new_flags = 0; \
if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
@@ -256,7 +256,7 @@ do { \
# define elf_read_implies_exec(ex, exec_stk) (test_thread_flag(TIF_32BIT) ? \
(exec_stk != EXSTACK_DISABLE_X) : 0)
#else
-# define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
+# define SET_PERSONALITY(ex) set_personality(PER_LINUX)
#endif /* __powerpc64__ */
extern int dcache_bsize;
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 550a19399bf..ea1ba89f9c9 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -51,17 +51,6 @@ static int protect4gb = 1;
static void __iommu_free(struct iommu_table *, dma_addr_t, unsigned int);
-static inline unsigned long iommu_num_pages(unsigned long vaddr,
- unsigned long slen)
-{
- unsigned long npages;
-
- npages = IOMMU_PAGE_ALIGN(vaddr + slen) - (vaddr & IOMMU_PAGE_MASK);
- npages >>= IOMMU_PAGE_SHIFT;
-
- return npages;
-}
-
static int __init setup_protect4gb(char *str)
{
if (strcmp(str, "on") == 0)
@@ -325,7 +314,7 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
}
/* Allocate iommu entries for that segment */
vaddr = (unsigned long) sg_virt(s);
- npages = iommu_num_pages(vaddr, slen);
+ npages = iommu_num_pages(vaddr, slen, IOMMU_PAGE_SIZE);
align = 0;
if (IOMMU_PAGE_SHIFT < PAGE_SHIFT && slen >= PAGE_SIZE &&
(vaddr & ~PAGE_MASK) == 0)
@@ -418,7 +407,8 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
unsigned long vaddr, npages;
vaddr = s->dma_address & IOMMU_PAGE_MASK;
- npages = iommu_num_pages(s->dma_address, s->dma_length);
+ npages = iommu_num_pages(s->dma_address, s->dma_length,
+ IOMMU_PAGE_SIZE);
__iommu_free(tbl, vaddr, npages);
s->dma_address = DMA_ERROR_CODE;
s->dma_length = 0;
@@ -452,7 +442,8 @@ void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist,
if (sg->dma_length == 0)
break;
- npages = iommu_num_pages(dma_handle, sg->dma_length);
+ npages = iommu_num_pages(dma_handle, sg->dma_length,
+ IOMMU_PAGE_SIZE);
__iommu_free(tbl, dma_handle, npages);
sg = sg_next(sg);
}
@@ -584,7 +575,7 @@ dma_addr_t iommu_map_single(struct device *dev, struct iommu_table *tbl,
BUG_ON(direction == DMA_NONE);
uaddr = (unsigned long)vaddr;
- npages = iommu_num_pages(uaddr, size);
+ npages = iommu_num_pages(uaddr, size, IOMMU_PAGE_SIZE);
if (tbl) {
align = 0;
@@ -617,7 +608,7 @@ void iommu_unmap_single(struct iommu_table *tbl, dma_addr_t dma_handle,
BUG_ON(direction == DMA_NONE);
if (tbl) {
- npages = iommu_num_pages(dma_handle, size);
+ npages = iommu_num_pages(dma_handle, size, IOMMU_PAGE_SIZE);
iommu_free(tbl, dma_handle, npages);
}
}
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index ff7de7b0797..bb1cfcfdbbb 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -61,42 +61,6 @@ asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp,
return compat_sys_select((int)n, inp, outp, exp, compat_ptr(tvp_x));
}
-int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
-{
- compat_ino_t ino;
- long err;
-
- if (stat->size > MAX_NON_LFS || !new_valid_dev(stat->dev) ||
- !new_valid_dev(stat->rdev))
- return -EOVERFLOW;
-
- ino = stat->ino;
- if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino)
- return -EOVERFLOW;
-
- err = access_ok(VERIFY_WRITE, statbuf, sizeof(*statbuf)) ? 0 : -EFAULT;
- err |= __put_user(new_encode_dev(stat->dev), &statbuf->st_dev);
- err |= __put_user(ino, &statbuf->st_ino);
- err |= __put_user(stat->mode, &statbuf->st_mode);
- err |= __put_user(stat->nlink, &statbuf->st_nlink);
- err |= __put_user(stat->uid, &statbuf->st_uid);
- err |= __put_user(stat->gid, &statbuf->st_gid);
- err |= __put_user(new_encode_dev(stat->rdev), &statbuf->st_rdev);
- err |= __put_user(stat->size, &statbuf->st_size);
- err |= __put_user(stat->atime.tv_sec, &statbuf->st_atime);
- err |= __put_user(stat->atime.tv_nsec, &statbuf->st_atime_nsec);
- err |= __put_user(stat->mtime.tv_sec, &statbuf->st_mtime);
- err |= __put_user(stat->mtime.tv_nsec, &statbuf->st_mtime_nsec);
- err |= __put_user(stat->ctime.tv_sec, &statbuf->st_ctime);
- err |= __put_user(stat->ctime.tv_nsec, &statbuf->st_ctime_nsec);
- err |= __put_user(stat->blksize, &statbuf->st_blksize);
- err |= __put_user(stat->blocks, &statbuf->st_blocks);
- err |= __put_user(0, &statbuf->__unused4[0]);
- err |= __put_user(0, &statbuf->__unused4[1]);
-
- return err;
-}
-
/* Note: it is necessary to treat option as an unsigned int,
* with the corresponding cast to a signed int to insure that the
* proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
@@ -107,69 +71,6 @@ asmlinkage long compat_sys_sysfs(u32 option, u32 arg1, u32 arg2)
return sys_sysfs((int)option, arg1, arg2);
}
-static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i)
-{
- long usec;
-
- if (!access_ok(VERIFY_READ, i, sizeof(*i)))
- return -EFAULT;
- if (__get_user(o->tv_sec, &i->tv_sec))
- return -EFAULT;
- if (__get_user(usec, &i->tv_usec))
- return -EFAULT;
- o->tv_nsec = usec * 1000;
- return 0;
-}
-
-static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
-{
- return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
- (__put_user(i->tv_sec, &o->tv_sec) |
- __put_user(i->tv_usec, &o->tv_usec)));
-}
-
-
-
-
-/* Translations due to time_t size differences. Which affects all
- sorts of things, like timeval and itimerval. */
-extern struct timezone sys_tz;
-
-asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
-{
- if (tv) {
- struct timeval ktv;
- do_gettimeofday(&ktv);
- if (put_tv32(tv, &ktv))
- return -EFAULT;
- }
- if (tz) {
- if (copy_to_user(tz, &sys_tz, sizeof(sys_tz)))
- return -EFAULT;
- }
-
- return 0;
-}
-
-
-
-asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
-{
- struct timespec kts;
- struct timezone ktz;
-
- if (tv) {
- if (get_ts32(&kts, tv))
- return -EFAULT;
- }
- if (tz) {
- if (copy_from_user(&ktz, tz, sizeof(ktz)))
- return -EFAULT;
- }
-
- return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
-}
-
#ifdef CONFIG_SYSVIPC
long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compat_uptr_t ptr,
u32 fifth)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-20 01:48:29 +0000